Home / 403,406,974.34-556,958,663.48-329,244,438.15

Finding the Fourth Proportional to 403,406,974.34, 556,958,663.48 and 329,244,438.15

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Solution

The fourth proportional to 403,406,974.34, 556,958,663.48 and 329,244,438.15 is: 454,567,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,406,974.34 : 556,958,663.48 = 329,244,438.15 : x
  2. Step 2: Convert to fraction form
    403,406,974.34/556,958,663.48 = 329,244,438.15/x
  3. Step 3: Cross multiply
    403,406,974.34x = 556,958,663.48 × 329,244,438.15
  4. Step 4: Simplify right side
    403,406,974.34x = 183,375,542,231,070,592
  5. Step 5: Solve for x
    x = 183,375,542,231,070,592/403,406,974.34
  6. Step 6: Final answer
    x = 454,567,109.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.